Dayco Thermostat DT249D GCT Octane Booster is a fuel

Octane Booster is a fuel treatment designed to enhance the octane rating of regular 91 (RON) unleaded octane petrol

Flange to base: 45mm

The water temperature sender is designed to measure the integrity of the engine cooling system

this product can be used straight from the box

It is an advanced formula designed for optimum performance

Dayco Thermostat DT249D GCT Octane Booster is a fuelDayco thermostats are designed to OEM specifications and come with a heat sensing wax filled copper power pill that detects the coolant temperature in the engine. The Dayco thermostat's amazing heat sensing power pill controls coolant flow from the radiator when the engine is cold to reach optimum operating temperature quickly. It then allows coolant to circulate through the engine when operating temperature is reached to create the perfect